90 
DIDYNAMIA GYMNOSPERM1A. 
of it. And no one can doubt that many unknown plants, particularly 
among the small and herbaceous species are still concealed in our forests* 
Grows in Carolina. Fraser. 
Flowers. 
3. Serrata. 
S. 'ramosa, pubes- 
cens; foliis ovatis, a- 
cuminatis, serratis, 
breviter petiolatis ; 
racemis terminaiibus, 
laxifloris, plerumque 
f >aniculatis ; bracteis 
anceoSatis, brevibus. 
Pursh 2. p. 413. 
Stem erect, tall, 4 angled, and with the whole plant minutely pubescent. 
Leaves sometimes oval, very acute at base, dotted on the under surface, 
on petioles about half an inch long, acuminate, and the serratures on the 
lower leaves frequently rounded. Flowers distant on the racemes, large, 
pale blue. Stamens shorter than the corolla. 
Grow r s in fields and meadows. Virginia and Carolina. (Pursh.) Not 
common along the sea coast. 
Flowers June — September. 
Branchings pubes-* 
cent ; leaves ovate, 
acuminate, serrate, 
on short petioles; ra- 
cemes terminal, loose- 
ly flowered, frequent- 
ly paniculate ; brae- 
teas lanceolate, short. 
4. VlLLOSA, E. 
5. caule erecto, ra- 
moso, villoso ; foliis 
majusculis, lanceolatis, 
utrinque acutis grosse 
dentatis, subtus villo- 
sis, supra sub hispidis; 
racemis paniculatis, 
confertifloris. E. 
Stem erect, branch- 
ing, villous; leaves 
large, lanceolate, a- 
cute at each end, 
coarsely toothed, vil- 
lous underneath, his- 
pid above ; racemes 
paniculate, with the 
flowers crowded. 
Stem firmly erect, 2 — 3 feet high, very villous, almost tomentose. 
Leaves large, 3 — 4 1-2 inches long, 2 wide, exactly lanceolate, the un- 
der surface, particularly along the veins, villous, the upper hairy and 
